25539280

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^2\times {\mathrm{1889}}^1$

素因数の和:1928

約数の個数: 60

約数和(自身を含む): 64331820

約数和(自身を除く): 38792540

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 169, 208, 260, 338, 520, 676, 845, 1040, 1352, 1690, 1889, 2704, 3380, 3778, 6760, 7556, 9445, 13520, 15112, 18890, 24557, 30224, 37780, 49114, 75560, 98228, 122785, 151120, 196456, 245570, 319241, 392912, 491140, 638482, 982280, 1276964, 1596205, 1964560, 2553928, 3192410, 5107856, 6384820, 12769640, 25539280]

約数ペア:

[(1, 25539280), (2, 12769640), (4, 6384820), (5, 5107856), (8, 3192410), (10, 2553928), (13, 1964560), (16, 1596205), (20, 1276964), (26, 982280), (40, 638482), (52, 491140), (65, 392912), (80, 319241), (104, 245570), (130, 196456), (169, 151120), (208, 122785), (260, 98228), (338, 75560), (520, 49114), (676, 37780), (845, 30224), (1040, 24557), (1352, 18890), (1690, 15112), (1889, 13520), (2704, 9445), (3380, 7556), (3778, 6760)]